132. 
133. 
134. 
135. 
136. 
137. 
138. 
139 . 
(64) 
* Myxostoma anisurum (Raf.) Jor. Long-tailed Sucker. (M. V. 
315.) 
Abundant in Ohio River near Cincinnati; not yet noticed in 
Illinois. 
Myxostoma velatum (Cope) Jor. Small-mouthed Red Horse, 
White Nose. (M. Y. 317 ; Teretulus anisurus and T. velatus Nel- 
son 49.) 
Generally abundant in the larger streams. 
Genus MIN Y TEEM A , Jordan. 
Minytrema melanops (Raf.) Jor. Spotted Sucker. (M. Y. 318; 
Erimyzon melanops Nelson 48.) 
Generally abundant, especially southward. 
Genus ERIMYZON , Jordan. 
Erimyzon sucetta (Lac.) Jord. Chub-sucker, Creek-fish. (M. 
Y. 319 ; Erimyzon oblongus Nelson 48.) 
Everywhere very abundant, ascending small streams in spring. 
Union Co., Johnson Co. 
Genus CATOSTOMUS , Le Sueur. 
Gatostomus nigricans Le S. Stone-roller, Hog Sucker, Crawl- 
a-bottom, Hammer-head. (M. Y. 319 ; Nelson 48.) 
Everywhere common, frequenting rapids and shallows in clear 
streams. Rock R., Ogle Co.; Mackinaw Cr. 
Catostomus commersonii (Lac.) Jor. Common Sucker, White 
Sucker. (M. Y. 320; Catostomus teres Nelson 48.) 
Everywhere very abundant. 111. R., Mackinaw Cr., Pine Cr.; 
Cache R., Union Co.; Rock R. 
Catostomus longirostrum Le Sueur. Red- sided Sucker, Long- 
nosed Sucker. (M. Y. 320 ; Catostomus hudsonius Nelson 48.) 
Abundant in Lake Michigan. 
Genus CYCLEPTUS, Rafinesque. 
Cycleptus elongatus (Le S.) Ag. Gourd-seed Sucker, Black- 
horse, Missouri Sucker. (M. Y. 320; Nelson 50.) 
In the Ohio and Mississippi Rivers, and all their larger tribu- 
taries; not generally common, but often seined in large numbers. 
Peoria, 111. 
